In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21…
Priority CRITICAL 100Exploited in the wildCWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.
Why it matters now
Exploitation Active In CISA KEV since 2024-12-13CISA due date 2025-01-03Known ransomware use
EPSS 0.98607 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2024-12-13 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2024-50623
- 2026-10-03 Alias added: GHSA-8j74-v9cr-x39h
- 2026-10-07 CISA SSVC decision points changed
References
More Cleo Harmony vulnerabilities
- TI-2024-36997 In Cleo Harmony before 5.8.0.24, VLTrader before 5.8.0.24, and LexiCom before 5.8.0.24… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-50623 · CVE Program
- CVE-2024-50623 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-8j74-v9cr-x39h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences